Merge branch 'master' into stripe-js

.gitignore

@@ -7,3 +7,20 @@ log.txt
 test.py
 STRIPE
 venv/
+
+uncloud/docs/build
+logs.txt
+
+uncloud.egg-info
+
+# run artefacts
+default.etcd
+__pycache__
+
+# build artefacts
+uncloud/version.py
+build/
+venv/
+dist/
+
+*.iso

.gitlab-ci.yml

@@ -0,0 +1,8 @@
+image: python:3
+
+before_script:
+    - python setup.py install
+
+python_tests:
+    script:
+        - python -m unittest -v test/test_mac_local.py

LICENSE

@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
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+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.

README.md

@@ -0,0 +1,3 @@
+# ucloud
+
+Checkout https://ungleich.ch/ucloud/ for the documentation of ucloud.

meow-payv1/ldaptest.py

@@ -1,27 +0,0 @@
-import ldap3
-from ldap3 import Server, Connection, ObjectDef, Reader, ALL
-import os
-import sys
-
-def is_valid_ldap_user(username, password):
-    server = Server("ldaps://ldap1.ungleich.ch")
-    is_valid = False
-
-    try:
-        conn = Connection(server, 'cn={},ou=users,dc=ungleich,dc=ch'.format(username), password, auto_bind=True)
-        is_valid = True
-    except Exception as e:
-        print("user: {}".format(e))
-
-    try:
-        conn = Connection(server, 'uid={},ou=customer,dc=ungleich,dc=ch'.format(username), password, auto_bind=True)
-        is_valid = True
-    except Exception as e:
-        print("customer: {}".format(e))
-
-
-    return is_valid
-
-
-if __name__ == '__main__':
-    print(is_valid_ldap_user(sys.argv[1], sys.argv[2]))

uncloud/opennebula/management/commands/migrate-one-vm-to-regular.py

@@ -1,139 +0,0 @@
-from datetime import datetime
-
-from django.core.management.base import BaseCommand
-from django.utils import timezone
-
-from opennebula.models import VM as VMModel
-from uncloud_vm.models import VMHost, VMProduct, VMNetworkCard, VMDiskImageProduct, VMDiskProduct
-from uncloud_pay.models import Order
-
-
-def convert_mac_to_int(mac_address: str):
-    # Remove octet connecting characters
-    mac_address = mac_address.replace(':', '')
-    mac_address = mac_address.replace('.', '')
-    mac_address = mac_address.replace('-', '')
-    mac_address = mac_address.replace(' ', '')
-
-    # Parse the resulting number as hexadecimal
-    mac_address = int(mac_address, base=16)
-
-    return mac_address
-
-
-def get_vm_price(core, ram, storage, n_of_ipv4, n_of_ipv6):
-    storage = storage / 10  # Division by 10 because our base storage unit is 10 GB
-    total = 3 * core + 4 * ram + 3.5 * storage + 8 * n_of_ipv4 + 0 * n_of_ipv6
-
-    # TODO: Find some reason about the following magical subtraction.
-    total -= 8
-
-    return total
-
-
-def create_nics(one_vm, vm_product):
-    for nic in one_vm.nics:
-        mac_address = convert_mac_to_int(nic.get('MAC'))
-        ip_address = nic.get('IP', None) or nic.get('IP6_GLOBAL', None)
-
-        VMNetworkCard.objects.update_or_create(
-            mac_address=mac_address, vm=vm_product, defaults={'ip_address': ip_address}
-        )
-
-
-def create_disk_and_image(one_vm, vm_product):
-    for disk in one_vm.disks:
-        owner = one_vm.owner
-        name = disk.get('image')
-
-        # TODO: Fix the following hard coded values
-        is_os_image, is_public, status = True, True, 'active'
-
-        image_size_in_gb = disk.get('image_size_in_gb')
-        disk_size_in_gb = disk.get('size_in_gb')
-        storage_class = disk.get('pool_name')
-        image_source = disk.get('source')
-        image_source_type = disk.get('source_type')
-
-        image, _ = VMDiskImageProduct.objects.update_or_create(
-            name=name,
-            defaults={
-                'owner': owner,
-                'is_os_image': is_os_image,
-                'is_public': is_public,
-                'size_in_gb': image_size_in_gb,
-                'storage_class': storage_class,
-                'image_source': image_source,
-                'image_source_type': image_source_type,
-                'status': status
-            }
-        )
-        VMDiskProduct.objects.update_or_create(
-            owner=owner, vm=vm_product,
-            defaults={
-                'image': image,
-                'size_in_gb': disk_size_in_gb
-            }
-        )
-
-
-class Command(BaseCommand):
-    help = 'Migrate Opennebula VM to regular (uncloud) vm'
-
-    def handle(self, *args, **options):
-        for one_vm in VMModel.objects.all():
-            # Host on which the VM is currently residing
-            host = VMHost.objects.filter(vms__icontains=one_vm.vmid).first()
-
-            # VCPU, RAM, Owner, Status
-            # TODO: Set actual status instead of hard coded 'active'
-            vm_id, cores, ram_in_gb = one_vm.vmid, one_vm.cores, one_vm.ram_in_gb
-            owner, status = one_vm.owner, 'active'
-
-            # Total Amount of SSD Storage
-            # TODO: What would happen if the attached storage is not SSD but HDD?
-            total_storage_in_gb = sum([disk['size_in_gb'] for disk in one_vm.disks])
-
-            # List of IPv4 addresses and Global IPv6 addresses
-            ipv4, ipv6 = one_vm.ips
-
-            # TODO: Insert actual/real creation_date, starting_date, ending_date
-            #       instead of pseudo one we are putting currently
-            creation_date = starting_date = ending_date = datetime.now(tz=timezone.utc)
-
-            # Price calculation
-
-            # TODO: Make the following non-hardcoded
-            one_time_price = 0
-            recurring_period = 'per_month'
-
-            recurring_price = get_vm_price(cores, ram_in_gb, total_storage_in_gb, len(ipv4), len(ipv6))
-            try:
-                vm_product = VMProduct.objects.get(vmid=vm_id)
-            except VMProduct.DoesNotExist:
-                order = Order.objects.create(
-                    owner=one_vm.owner,
-                    creation_date=creation_date,
-                    starting_date=starting_date,
-                    ending_date=ending_date,
-                    one_time_price=one_time_price,
-                    recurring_price=recurring_price,
-                    recurring_period=recurring_period
-                )
-                vm_product, _ = VMProduct.objects.update_or_create(
-                    vmid=vm_id,
-                    defaults={
-                        'cores': cores,
-                        'ram_in_gb': ram_in_gb,
-                        'owner': owner,
-                        'vmhost': host,
-                        'order': order,
-                        'status': status
-                    }
-                )
-
-            # Create VMNetworkCards
-            create_nics(one_vm, vm_product)
-
-            # Create VMDiskImageProduct and VMDiskProduct
-            create_disk_and_image(one_vm, vm_product)

uncloud/opennebula/serializers.py

@@ -1,14 +0,0 @@
-from rest_framework import serializers
-from opennebula.models import VM
-
-
-class VMSerializer(serializers.HyperlinkedModelSerializer):
-    class Meta:
-        model = VM
-        fields = ['id', 'owner', 'data']
-
-
-class OpenNebulaVMSerializer(serializers.HyperlinkedModelSerializer):
-    class Meta:
-        model = VM
-        fields = ['id', 'owner', 'cores', 'ram_in_gb', 'disks', 'last_host', 'graphics']

uncloud/opennebula/views.py

@@ -1,27 +0,0 @@
-from rest_framework import viewsets, permissions
-from rest_framework.response import Response
-from django.shortcuts import get_object_or_404
-
-from .models import VM
-from .serializers import VMSerializer, OpenNebulaVMSerializer
-
-
-class RawVMViewSet(viewsets.ModelViewSet):
-    queryset = VM.objects.all()
-    serializer_class = VMSerializer
-    permission_classes = [permissions.IsAdminUser]
-
-
-class VMViewSet(viewsets.ViewSet):
-    permission_classes = [permissions.IsAuthenticated]
-
-    def list(self, request):
-        queryset = VM.objects.filter(owner=request.user)
-        serializer = OpenNebulaVMSerializer(queryset, many=True, context={'request': request})
-        return Response(serializer.data)
-
-    def retrieve(self, request, pk=None):
-        queryset = VM.objects.filter(owner=request.user)
-        vm = get_object_or_404(queryset, pk=pk)
-        serializer = OpenNebulaVMSerializer(vm, context={'request': request})
-        return Response(serializer.data)

uncloud/requirements.txt

@@ -1,6 +0,0 @@
-django
-djangorestframework
-django-auth-ldap
-stripe
-xmltodict
-psycopg2

uncloud/uncloud_auth/models.py

@@ -1,5 +0,0 @@
-from django.contrib.auth.models import AbstractUser
-
-
-class User(AbstractUser):
-    pass

uncloud/uncloud_net/models.py

@@ -1,4 +0,0 @@
-from django.db import models
-
-class MACAdress(models.Model):
-    prefix = 0x420000000000

uncloud/uncloud_storage/models.py

@@ -1,3 +0,0 @@
-from django.db import models
-
-# Create your models here.

uncloud/uncloud_storage/views.py

@@ -1,3 +0,0 @@
-from django.shortcuts import render
-
-# Create your views here.

uncloud/uncloud_vm/management/commands/schedulevms.py

@@ -1,21 +0,0 @@
-import json
-
-import uncloud.secrets as secrets
-
-from django.core.management.base import BaseCommand
-from django.contrib.auth import get_user_model
-
-from uncloud_vm.models import VMProduct, VMHost
-
-class Command(BaseCommand):
-    help = 'Select VM Host for VMs'
-
-    def add_arguments(self, parser):
-        pass
-
-    def handle(self, *args, **options):
-        pending_vms = VMProduct.objects.filter(vmhost__isnull=True)
-        vmhosts = VMHost.objects.filter(status='active')
-        for vm in pending_vms:
-            print(vm)
-            # FIXME: implement smart placement

uncloud/uncloud_vm/management/commands/vmhealth.py

@@ -1,26 +0,0 @@
-import json
-
-from django.core.management.base import BaseCommand
-from django.contrib.auth import get_user_model
-
-from uncloud_vm.models import VMProduct, VMHost
-
-class Command(BaseCommand):
-    help = 'Check health of VMs and VMHosts'
-
-    def add_arguments(self, parser):
-        pass
-
-    def handle(self, *args, **options):
-        pending_vms = VMProduct.objects.filter(vmhost__isnull=True)
-        vmhosts = VMHost.objects.filter(status='active')
-
-        # 1. Check that all active hosts reported back N seconds ago
-        # 2. Check that no VM is running on a dead host
-        # 3. Migrate VMs if necessary
-        # 4. Check that no VMs have been pending for longer than Y seconds
-
-        # If VM snapshots exist without a VM -> notify user (?)
-
-
-        print("Nothing is good, you should implement me")

uncloud_django_based/uncloud/doc/README-how-to-configure-remote-uncloud-clients.org

@@ -0,0 +1,5 @@
+* What is a remote uncloud client?
+** Systems that configure themselves for the use with uncloud
+** Examples are VMHosts, VPN Servers, etc.
+* Which access do these clients need?
+** They need read / write access to the database

uncloud_django_based/uncloud/doc/README-how-to-create-a-product.md

@@ -0,0 +1,9 @@
+## Introduction
+
+This document describes how to create a product and use it.
+
+A product (like a VMSnapshotproduct) creates an order when ordered.
+The "order" is used to combine products together.
+
+Sub-products or related products link to the same order.
+Each product has one (?) orderrecord

uncloud_django_based/uncloud/doc/README-postgresql.org

@@ -0,0 +1,8 @@
+* uncloud clients access the data base from a variety of outside hosts
+* So the postgresql data base needs to be remotely accessible
+* Instead of exposing the tcp socket, we make postgresql bind to localhost via IPv6
+** ::1, port 5432
+* Then we remotely connect to the database server with ssh tunneling
+** ssh -L5432:localhost:5432 uncloud-database-host
+* Configuring your database for SSH based remote access
+** host    all             all             ::1/128                 trust

uncloud_django_based/uncloud/doc/README-vpn.org

@@ -0,0 +1,25 @@
+* How to add a new VPN Host
+** Install wireguard to the host
+** Install uncloud to the host
+** Add `python manage.py vpn --hostname fqdn-of-this-host` to the crontab
+** Use the CLI to configure one or more VPN Networks for this host
+* Example of adding a VPN host at ungleich
+** Create a new dual stack alpine VM
+** Add it to DNS as vpn-XXX.ungleich.ch
+** Route a /40 network to its IPv6 address
+** Install wireguard on it
+** TODO Enable wireguard on boot
+** TODO Create a new VPNPool on uncloud with
+*** the network address (selecting from our existing pool)
+*** the network size (/...)
+*** the vpn host that provides the network (selecting the created VM)
+*** the wireguard private key of the vpn host (using wg genkey)
+*** http command
+```
+http -a nicoschottelius:$(pass
+  ungleich.ch/nico.schottelius@ungleich.ch)
+  http://localhost:8000/admin/vpnpool/ network=2a0a:e5c1:200:: \
+  network_size=40 subnetwork_size=48
+  vpn_hostname=vpn-2a0ae5c1200.ungleich.ch
+  wireguard_private_key=...
+```

uncloud_django_based/uncloud/opennebula/management/commands/opennebula-synchosts.py

@@ -57,17 +57,17 @@ class Command(BaseCommand):
                     usable_ram_in_kb = int(host_share.get('TOTAL_MEM', 0))
                     usable_ram_in_gb = int(usable_ram_in_kb / 2 ** 20)
 
-                    vms = host.get('VMS', {}) or {}
+                    # vms cannot be created like this -- Nico, 2020-03-17
-                    vms = vms.get('ID', []) or []
+                    # vms = host.get('VMS', {}) or {}
-                    vms = ','.join(vms)
+                    # vms = vms.get('ID', []) or []
+                    # vms = ','.join(vms)
 
                     VMHost.objects.update_or_create(
                         hostname=host_name,
                         defaults={
                             'usable_cores': usable_cores,
                             'usable_ram_in_gb': usable_ram_in_gb,
-                            'status': status,
+                            'status': status
-                            'vms': vms
                         }
                     )
             else:

uncloud_django_based/uncloud/opennebula/management/commands/opennebula-to-uncloud.py

@@ -0,0 +1,193 @@
+import sys
+from datetime import datetime
+
+from django.core.management.base import BaseCommand
+from django.utils import timezone
+from django.contrib.auth import get_user_model
+
+from opennebula.models import VM as VMModel
+from uncloud_vm.models import VMHost, VMProduct, VMNetworkCard, VMDiskImageProduct, VMDiskProduct
+
+from uncloud_pay.models import Order
+
+import logging
+
+log = logging.getLogger(__name__)
+
+def convert_mac_to_int(mac_address: str):
+    # Remove octet connecting characters
+    mac_address = mac_address.replace(':', '')
+    mac_address = mac_address.replace('.', '')
+    mac_address = mac_address.replace('-', '')
+    mac_address = mac_address.replace(' ', '')
+
+    # Parse the resulting number as hexadecimal
+    mac_address = int(mac_address, base=16)
+
+    return mac_address
+
+
+def get_vm_price(core, ram, ssd_size, hdd_size, n_of_ipv4, n_of_ipv6):
+    total = 3 * core + 4 * ram + (3.5 * ssd_size/10.) + (1.5 * hdd_size/100.) + 8 * n_of_ipv4 + 0 * n_of_ipv6
+
+    # TODO: Find some reason about the following magical subtraction.
+    total -= 8
+
+    return total
+
+
+def create_nics(one_vm, vm_product):
+    for nic in one_vm.nics:
+        mac_address = convert_mac_to_int(nic.get('MAC'))
+        ip_address = nic.get('IP', None) or nic.get('IP6_GLOBAL', None)
+
+        VMNetworkCard.objects.update_or_create(
+            mac_address=mac_address, vm=vm_product, defaults={'ip_address': ip_address}
+        )
+
+
+def sync_disk_and_image(one_vm, vm_product, disk_owner):
+    """
+    a) Check all opennebula disk if they are in the uncloud VM, if not add
+    b) Check all uncloud disks and remove them if they are not in the opennebula VM
+    """
+
+    vmdisknum = 0
+
+    one_disks_extra_data = []
+
+    for disk in one_vm.disks:
+        vmowner = one_vm.owner
+        name = disk.get('image')
+        vmdisknum += 1
+
+        log.info("Checking disk {} for VM {}".format(name, one_vm))
+
+        is_os_image, is_public, status = True, False, 'active'
+
+        image_size_in_gb = disk.get('image_size_in_gb')
+        disk_size_in_gb = disk.get('size_in_gb')
+        storage_class = disk.get('storage_class')
+        image_source = disk.get('source')
+        image_source_type = disk.get('source_type')
+
+        image, _ = VMDiskImageProduct.objects.update_or_create(
+            name=name,
+            defaults={
+                'owner': disk_owner,
+                'is_os_image': is_os_image,
+                'is_public': is_public,
+                'size_in_gb': image_size_in_gb,
+                'storage_class': storage_class,
+                'image_source': image_source,
+                'image_source_type': image_source_type,
+                'status': status
+            }
+        )
+
+        # identify vmdisk from opennebula - primary mapping key
+        extra_data = {
+            'opennebula_vm': one_vm.vmid,
+            'opennebula_size_in_gb': disk_size_in_gb,
+            'opennebula_source': disk.get('opennebula_source'),
+            'opennebula_disk_num': vmdisknum
+        }
+        # Save for comparing later
+        one_disks_extra_data.append(extra_data)
+
+        try:
+            vm_disk = VMDiskProduct.objects.get(extra_data=extra_data)
+        except VMDiskProduct.DoesNotExist:
+            vm_disk = VMDiskProduct.objects.create(
+                owner=vmowner,
+                vm=vm_product,
+                image=image,
+                size_in_gb=disk_size_in_gb,
+                extra_data=extra_data
+            )
+
+    # Now remove all disks that are not in above extra_data list
+    for disk in VMDiskProduct.objects.filter(vm=vm_product):
+        extra_data = disk.extra_data
+        if not extra_data in one_disks_extra_data:
+            log.info("Removing disk {} from VM {}".format(disk, vm_product))
+            disk.delete()
+
+    disks = [ disk.extra_data for disk in VMDiskProduct.objects.filter(vm=vm_product) ]
+    log.info("VM {} has disks: {}".format(vm_product, disks))
+
+class Command(BaseCommand):
+    help = 'Migrate Opennebula VM to regular (uncloud) vm'
+
+    def add_arguments(self, parser):
+        parser.add_argument('--disk-owner', required=True, help="The user who owns the the opennebula disks")
+
+    def handle(self, *args, **options):
+        log.debug("{} {}".format(args, options))
+
+        disk_owner = get_user_model().objects.get(username=options['disk_owner'])
+
+        for one_vm in VMModel.objects.all():
+
+            if not one_vm.last_host:
+                log.warning("No VMHost for VM {} - VM might be on hold - skipping".format(one_vm.vmid))
+                continue
+
+            try:
+                vmhost = VMHost.objects.get(hostname=one_vm.last_host)
+            except VMHost.DoesNotExist:
+                log.error("VMHost {} does not exist, aborting".format(one_vm.last_host))
+                raise
+
+            cores = one_vm.cores
+            ram_in_gb = one_vm.ram_in_gb
+            owner = one_vm.owner
+            status = 'active'
+
+            ssd_size = sum([ disk['size_in_gb'] for disk in one_vm.disks if disk['pool_name'] in ['ssd', 'one'] ])
+            hdd_size = sum([ disk['size_in_gb'] for disk in one_vm.disks if disk['pool_name'] in ['hdd'] ])
+
+            # List of IPv4 addresses and Global IPv6 addresses
+            ipv4, ipv6 = one_vm.ips
+
+            # TODO: Insert actual/real creation_date, starting_date, ending_date
+            #       instead of pseudo one we are putting currently
+            creation_date = starting_date = datetime.now(tz=timezone.utc)
+
+            # Price calculation based on datacenterlight.ch
+            one_time_price = 0
+            recurring_period = 'per_month'
+            recurring_price = get_vm_price(cores, ram_in_gb,
+                                           ssd_size, hdd_size,
+                                           len(ipv4), len(ipv6))
+
+            try:
+                vm_product = VMProduct.objects.get(extra_data__opennebula_id=one_vm.vmid)
+            except VMProduct.DoesNotExist:
+                order = Order.objects.create(
+                    owner=owner,
+                    creation_date=creation_date,
+                    starting_date=starting_date
+                )
+                vm_product = VMProduct(
+                    extra_data={ 'opennebula_id': one_vm.vmid },
+                    name=one_vm.uncloud_name,
+                    order=order
+                )
+
+            # we don't use update_or_create, as filtering by json AND setting json
+            # at the same time does not work
+
+            vm_product.vmhost = vmhost
+            vm_product.owner = owner
+            vm_product.cores = cores
+            vm_product.ram_in_gb = ram_in_gb
+            vm_product.status = status
+
+            vm_product.save()
+
+            # Create VMNetworkCards
+            create_nics(one_vm, vm_product)
+
+            # Create VMDiskImageProduct and VMDiskProduct
+            sync_disk_and_image(one_vm, vm_product, disk_owner=disk_owner)

uncloud_django_based/uncloud/opennebula/models.py

@@ -3,15 +3,21 @@ from django.db import models
 from django.contrib.auth import get_user_model
 from django.contrib.postgres.fields import JSONField
 
+# ungleich specific
+storage_class_mapping = {
+    'one': 'ssd',
+    'ssd': 'ssd',
+    'hdd': 'hdd'
+}
 
 class VM(models.Model):
     vmid = models.IntegerField(primary_key=True)
     owner = models.ForeignKey(get_user_model(), on_delete=models.CASCADE)
     data = JSONField()
 
-    def save(self, *args, **kwargs):
+    @property
-        self.id = 'opennebula' + str(self.data.get("ID"))
+    def uncloud_name(self):
-        super().save(*args, **kwargs)
+        return "opennebula-{}".format(self.vmid)
 
     @property
     def cores(self):
@@ -48,7 +54,8 @@ class VM(models.Model):
                 'pool_name': d['POOL_NAME'],
                 'image': d['IMAGE'],
                 'source': d['SOURCE'],
-                'source_type': d['TM_MAD']
+                'source_type': d['TM_MAD'],
+                'storage_class': storage_class_mapping[d['POOL_NAME']]
 
             }
             for d in disks

uncloud_django_based/uncloud/opennebula/serializers.py

@@ -0,0 +1,10 @@
+from rest_framework import serializers
+from opennebula.models import VM
+
+
+class OpenNebulaVMSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = VM
+        fields = [ 'vmid', 'owner', 'data',
+                   'uncloud_name', 'cores', 'ram_in_gb',
+                   'disks', 'nics', 'ips' ]

uncloud_django_based/uncloud/opennebula/views.py

@@ -0,0 +1,16 @@
+from rest_framework import viewsets, permissions
+
+from .models import VM
+from .serializers import OpenNebulaVMSerializer
+
+class VMViewSet(viewsets.ModelViewSet):
+    permission_classes = [permissions.IsAuthenticated]
+    serializer_class = OpenNebulaVMSerializer
+
+    def get_queryset(self):
+        if self.request.user.is_superuser:
+            obj = VM.objects.all()
+        else:
+            obj = VM.objects.filter(owner=self.request.user)
+
+        return obj

uncloud_django_based/uncloud/requirements.txt

@@ -0,0 +1,16 @@
+django
+djangorestframework
+django-auth-ldap
+stripe
+xmltodict
+psycopg2
+
+parsedatetime
+
+# Follow are for creating graph models
+pyparsing
+pydot
+django-extensions
+
+# PDF creating
+django-hardcopy

uncloud_django_based/uncloud/uncloud/__init__.py

@@ -0,0 +1,4 @@
+# Define DecimalField properties, used to represent amounts of money.
+# Used in pay and auth
+AMOUNT_MAX_DIGITS=10
+AMOUNT_DECIMALS=2

uncloud_django_based/uncloud/uncloud/management/commands/uncloud.py

@@ -0,0 +1,28 @@
+import sys
+from datetime import datetime
+
+from django.core.management.base import BaseCommand
+
+from django.contrib.auth import get_user_model
+
+from opennebula.models import VM as VMModel
+from uncloud_vm.models import VMHost, VMProduct, VMNetworkCard, VMDiskImageProduct, VMDiskProduct, VMCluster
+
+import logging
+log = logging.getLogger(__name__)
+
+
+class Command(BaseCommand):
+    help = 'General uncloud commands'
+
+    def add_arguments(self, parser):
+        parser.add_argument('--bootstrap', action='store_true', help='Bootstrap a typical uncloud installation')
+
+    def handle(self, *args, **options):
+
+        if options['bootstrap']:
+            self.bootstrap()
+
+    def bootstrap(self):
+        default_cluster = VMCluster.objects.get_or_create(name="default")
+#        local_host =

uncloud_django_based/uncloud/uncloud/models.py

@@ -0,0 +1,35 @@
+from django.db import models
+from django.contrib.postgres.fields import JSONField
+from django.utils.translation import gettext_lazy as _
+
+class UncloudModel(models.Model):
+    """
+    This class extends the standard model with an
+    extra_data field that can be used to include public,
+    but internal information.
+
+    For instance if you migrate from an existing virtualisation
+    framework to uncloud.
+
+    The extra_data attribute should be considered a hack and whenever
+    data is necessary for running uncloud, it should **not** be stored
+    in there.
+
+    """
+
+    extra_data = JSONField(editable=False, blank=True, null=True)
+
+    class Meta:
+        abstract = True
+
+# See https://docs.djangoproject.com/en/dev/ref/models/fields/#field-choices-enum-types
+class UncloudStatus(models.TextChoices):
+    PENDING          = 'PENDING', _('Pending')
+    AWAITING_PAYMENT = 'AWAITING_PAYMENT', _('Awaiting payment')
+    BEING_CREATED    = 'BEING_CREATED', _('Being created')
+    SCHEDULED        = 'SCHEDULED', _('Scheduled') # resource selected, waiting for dispatching
+    ACTIVE           = 'ACTIVE', _('Active')
+    MODIFYING        = 'MODIFYING', _('Modifying') # Resource is being changed
+    DELETED          = 'DELETED', _('Deleted')     # Resource has been deleted
+    DISABLED         = 'DISABLED', _('Disabled')   # Is usable, but cannot be used for new things
+    UNUSABLE         = 'UNUSABLE', _('Unusable'),  # Has some kind of error

uncloud_django_based/uncloud/uncloud/settings.py

@@ -27,6 +27,7 @@ except ModuleNotFoundError:
     DATABASES = {
         'default': {
             'ENGINE': 'django.db.backends.postgresql',
+            'HOST': '::1', # connecting via tcp, v6, to allow ssh forwarding to work
             'NAME': uncloud.secrets.POSTGRESQL_DB_NAME,
         }
     }
@@ -57,9 +58,12 @@ INSTALLED_APPS = [
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    'django_extensions',
     'rest_framework',
+    'uncloud',
     'uncloud_pay',
     'uncloud_auth',
+    'uncloud_net',
     'uncloud_storage',
     'uncloud_vm',
     'ungleich_service',
@@ -170,5 +174,5 @@ USE_TZ = True
 
 # Static files (CSS, JavaScript, Images)
 # https://docs.djangoproject.com/en/3.0/howto/static-files/
-
 STATIC_URL = '/static/'
+STATICFILES_DIRS = [ os.path.join(BASE_DIR, "static") ]

uncloud_django_based/uncloud/uncloud/urls.py

@@ -13,68 +13,67 @@ Including another URLconf
     1. Import the include() function: from django.urls import include, path
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
+
 from django.contrib import admin
 from django.urls import path, include
+from django.conf import settings
+from django.conf.urls.static import static
+
 
 from rest_framework import routers
 
-from uncloud_vm import views as vmviews
+from opennebula   import views as oneviews
-from uncloud_pay import views as payviews
+from uncloud_auth import views as authviews
+from uncloud_net  import views as netviews
+from uncloud_pay  import views as payviews
+from uncloud_vm   import views as vmviews
 from ungleich_service import views as serviceviews
-from opennebula import views as oneviews
 
 router = routers.DefaultRouter()
 
 # VM
 router.register(r'vm/snapshot', vmviews.VMSnapshotProductViewSet, basename='vmsnapshotproduct')
+router.register(r'vm/diskimage', vmviews.VMDiskImageProductViewSet, basename='vmdiskimageproduct')
 router.register(r'vm/disk', vmviews.VMDiskProductViewSet, basename='vmdiskproduct')
-router.register(r'vm/image/mine', vmviews.VMDiskImageProductMineViewSet, basename='vmdiskimagemineproduct')
-router.register(r'vm/image/public', vmviews.VMDiskImageProductPublicViewSet, basename='vmdiskimagepublicproduct')
-
-# images the provider provides :-)
-# router.register(r'vm/image/official', vmviews.VMDiskImageProductPublicViewSet, basename='vmdiskimagepublicproduct')
-
-
-
-
 router.register(r'vm/vm', vmviews.VMProductViewSet, basename='vmproduct')
 
-
-# TBD
-#router.register(r'vm/disk', vmviews.VMDiskProductViewSet, basename='vmdiskproduct')
-
 # creates VM from os image
 #router.register(r'vm/ipv6onlyvm', vmviews.VMProductViewSet, basename='vmproduct')
 # ... AND adds IPv4 mapping
 #router.register(r'vm/dualstackvm', vmviews.VMProductViewSet, basename='vmproduct')
 
-# allow vm creation from own images
-
-
 # Services
 router.register(r'service/matrix', serviceviews.MatrixServiceProductViewSet, basename='matrixserviceproduct')
 
+# Net
+router.register(r'net/vpn', netviews.VPNNetworkViewSet, basename='vpnnet')
+
 
 # Pay
-router.register(r'user', payviews.UserViewSet, basename='user')
 router.register(r'payment-method', payviews.PaymentMethodViewSet, basename='payment-method')
 router.register(r'bill', payviews.BillViewSet, basename='bill')
 router.register(r'order', payviews.OrderViewSet, basename='order')
 router.register(r'payment', payviews.PaymentViewSet, basename='payment')
 
-# VMs
-router.register(r'vm/vm', vmviews.VMProductViewSet, basename='vm')
 
 # admin/staff urls
 router.register(r'admin/bill', payviews.AdminBillViewSet, basename='admin/bill')
 router.register(r'admin/payment', payviews.AdminPaymentViewSet, basename='admin/payment')
 router.register(r'admin/order', payviews.AdminOrderViewSet, basename='admin/order')
 router.register(r'admin/vmhost', vmviews.VMHostViewSet)
+router.register(r'admin/vmcluster', vmviews.VMClusterViewSet)
+router.register(r'admin/vpnpool', netviews.VPNPoolViewSet)
+
 router.register(r'admin/opennebula', oneviews.VMViewSet, basename='opennebula')
-router.register(r'admin/opennebula_raw', oneviews.RawVMViewSet, basename='opennebula_raw')
+
+# User/Account
+router.register(r'user', authviews.UserViewSet, basename='user')
 
 
 urlpatterns = [
     path('', include(router.urls)),
+    # web/ = stuff to view in the browser
+
+    path('web/pdf/', payviews.MyPDFView.as_view(), name='pdf'),
     path('api-auth/', include('rest_framework.urls', namespace='rest_framework')) # for login to REST API
 ]

uncloud_django_based/uncloud/uncloud_auth/migrations/0002_auto_20200318_1343.py

@@ -0,0 +1,25 @@
+# Generated by Django 3.0.3 on 2020-03-18 13:43
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('uncloud_auth', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='user',
+            name='amount',
+            field=models.DecimalField(decimal_places=2, default=0.0, max_digits=10, validators=[django.core.validators.MinValueValidator(0)]),
+        ),
+        migrations.AddField(
+            model_name='user',
+            name='maximum_credit',
+            field=models.FloatField(default=0),
+            preserve_default=False,
+        ),
+    ]

uncloud_django_based/uncloud/uncloud_auth/migrations/0003_auto_20200318_1345.py

@@ -0,0 +1,23 @@
+# Generated by Django 3.0.3 on 2020-03-18 13:45
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('uncloud_auth', '0002_auto_20200318_1343'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='user',
+            name='amount',
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='maximum_credit',
+            field=models.DecimalField(decimal_places=2, default=0.0, max_digits=10, validators=[django.core.validators.MinValueValidator(0)]),
+        ),
+    ]

uncloud_django_based/uncloud/uncloud_auth/models.py

@@ -0,0 +1,23 @@
+from django.contrib.auth.models import AbstractUser
+from django.db import models
+from django.core.validators import MinValueValidator
+
+from uncloud import AMOUNT_DECIMALS, AMOUNT_MAX_DIGITS
+
+from uncloud_pay.models import get_balance_for_user
+
+class User(AbstractUser):
+    """
+    We use the standard user and add a maximum credit that is allowed
+    to be accumulated. After that we need to have warnings, cancellation, etc.
+    """
+
+    maximum_credit = models.DecimalField(
+            default=0.0,
+            max_digits=AMOUNT_MAX_DIGITS,
+            decimal_places=AMOUNT_DECIMALS,
+            validators=[MinValueValidator(0)])
+
+    @property
+    def balance(self):
+        return get_balance_for_user(self)

uncloud_django_based/uncloud/uncloud_auth/serializers.py

@@ -0,0 +1,15 @@
+from django.contrib.auth import get_user_model
+from rest_framework import serializers
+
+from uncloud import AMOUNT_DECIMALS, AMOUNT_MAX_DIGITS
+
+class UserSerializer(serializers.ModelSerializer):
+
+    class Meta:
+        model = get_user_model()
+        fields = ['username', 'email', 'balance', 'maximum_credit' ]
+
+
+
+    balance = serializers.DecimalField(max_digits=AMOUNT_MAX_DIGITS,
+                                       decimal_places=AMOUNT_DECIMALS)

uncloud_django_based/uncloud/uncloud_auth/views.py

@@ -0,0 +1,17 @@
+from rest_framework import viewsets, permissions, status
+from .serializers import *
+
+class UserViewSet(viewsets.ReadOnlyModelViewSet):
+    serializer_class = UserSerializer
+    permission_classes = [permissions.IsAuthenticated]
+
+    def get_queryset(self):
+        if self.request.user.is_superuser:
+            obj = get_user_model().objects.all()
+        else:
+            # This is a bit stupid: we have a user, we create a queryset by
+            # matching on the username. But I don't know a "nicer" way.
+            # Nico, 2020-03-18
+            obj = get_user_model().objects.filter(username=self.request.user.username)
+
+        return obj

uncloud_django_based/uncloud/uncloud_net/management/commands/vpn.py

@@ -0,0 +1,64 @@
+import sys
+from datetime import datetime
+
+from django.core.management.base import BaseCommand
+
+from django.contrib.auth import get_user_model
+
+from opennebula.models import VM as VMModel
+from uncloud_vm.models import VMHost, VMProduct, VMNetworkCard, VMDiskImageProduct, VMDiskProduct, VMCluster
+
+import logging
+log = logging.getLogger(__name__)
+
+
+wireguard_template="""
+[Interface]
+ListenPort = 51820
+PrivateKey = {privatekey}
+"""
+
+peer_template="""
+# {username}
+[Peer]
+PublicKey = {public_key}
+AllowedIPs = {vpnnetwork}
+"""
+
+class Command(BaseCommand):
+    help = 'General uncloud commands'
+
+    def add_arguments(self, parser):
+        parser.add_argument('--hostname',
+                            action='store_true',
+                            help='Name of this VPN Host',
+                            required=True)
+
+    def handle(self, *args, **options):
+        if options['bootstrap']:
+            self.bootstrap()
+
+        self.create_vpn_config(options['hostname'])
+
+    def create_vpn_config(self, hostname):
+        configs = []
+
+        for pool in VPNPool.objects.filter(vpn_hostname=hostname):
+            pool_config = {
+                'private_key': pool.wireguard_private_key,
+                'subnetwork_size': pool.subnetwork_size,
+                'config_file': '/etc/wireguard/{}.conf'.format(pool.network),
+                'peers': []
+            }
+
+            for vpnnetwork in VPNNetworkReservation.objects.filter(vpnpool=pool):
+                pool_config['peers'].append({
+                    'vpnnetwork': "{}/{}".format(vpnnetwork.address,
+                                                 pool_config['subnetwork_size']),
+                    'public_key': vpnnetwork.wireguard_public_key,
+                    }
+                )
+
+            configs.append(pool_config)
+
+        print(configs)

uncloud_django_based/uncloud/uncloud_net/migrations/0001_initial.py

@@ -0,0 +1,68 @@
+# Generated by Django 3.0.5 on 2020-04-06 21:38
+
+from django.conf import settings
+import django.contrib.postgres.fields.jsonb
+import django.core.validators
+from django.db import migrations, models
+import django.db.models.deletion
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('uncloud_pay', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='MACAdress',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='VPNPool',
+            fields=[
+                ('extra_data', django.contrib.postgres.fields.jsonb.JSONField(blank=True, editable=False, null=True)),
+                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('network', models.GenericIPAddressField(unique=True)),
+                ('network_size', models.IntegerField(validators=[django.core.validators.MinValueValidator(0), django.core.validators.MaxValueValidator(128)])),
+                ('subnetwork_size', models.IntegerField(validators=[django.core.validators.MinValueValidator(0), django.core.validators.MaxValueValidator(128)])),
+                ('vpn_hostname', models.CharField(max_length=256)),
+                ('wireguard_private_key', models.CharField(max_length=48)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+        migrations.CreateModel(
+            name='VPNNetworkReservation',
+            fields=[
+                ('extra_data', django.contrib.postgres.fields.jsonb.JSONField(blank=True, editable=False, null=True)),
+                ('address', models.GenericIPAddressField(primary_key=True, serialize=False)),
+                ('vpnpool', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='uncloud_net.VPNPool')),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+        migrations.CreateModel(
+            name='VPNNetwork',
+            fields=[
+                ('extra_data', django.contrib.postgres.fields.jsonb.JSONField(blank=True, editable=False, null=True)),
+                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('status', models.CharField(choices=[('PENDING', 'Pending'), ('AWAITING_PAYMENT', 'Awaiting payment'), ('BEING_CREATED', 'Being created'), ('SCHEDULED', 'Scheduled'), ('ACTIVE', 'Active'), ('MODIFYING', 'Modifying'), ('DELETED', 'Deleted'), ('DISABLED', 'Disabled'), ('UNUSABLE', 'Unusable')], default='PENDING', max_length=32)),
+                ('wireguard_public_key', models.CharField(max_length=48)),
+                ('network', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='uncloud_net.VPNNetworkReservation')),
+                ('order', models.ForeignKey(editable=False, null=True, on_delete=django.db.models.deletion.CASCADE, to='uncloud_pay.Order')),
+                ('owner', models.ForeignKey(editable=False, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]

uncloud_django_based/uncloud/uncloud_net/models.py

@@ -0,0 +1,118 @@
+import uuid
+
+from django.db import models
+from django.contrib.auth import get_user_model
+from django.core.validators import MinValueValidator, MaxValueValidator
+
+
+from uncloud_pay.models import Product, RecurringPeriod
+from uncloud.models import UncloudModel, UncloudStatus
+
+
+class MACAdress(models.Model):
+    default_prefix = 0x420000000000
+
+class VPNPool(UncloudModel):
+    """
+    Network address pools from which VPNs can be created
+    """
+
+    uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
+
+    network = models.GenericIPAddressField(unique=True)
+    network_size = models.IntegerField(validators=[MinValueValidator(0),
+                                                   MaxValueValidator(128)])
+
+    subnetwork_size = models.IntegerField(validators=[
+                                              MinValueValidator(0),
+                                              MaxValueValidator(128)
+                                          ])
+
+    vpn_hostname = models.CharField(max_length=256)
+
+    wireguard_private_key = models.CharField(max_length=48)
+
+    @property
+    def num_maximum_networks(self):
+        """
+        sample:
+        network_size = 40
+        subnetwork_size = 48
+        maximum_networks = 2^(48-40)
+
+        2nd sample:
+        network_size = 8
+        subnetwork_size = 24
+        maximum_networks = 2^(24-8)
+        """
+
+        return 2**(subnetwork_size - network_size)
+
+    @property
+    def used_networks(self):
+        return self.vpnnetworkreservation_set.objects.filter(vpnpool=self, status='used')
+
+    @property
+    def num_used_networks(self):
+        return len(self.used_networks)
+
+    @property
+    def num_free_networks(self):
+        return self.num_maximum_networks - self.num_used_networks
+
+    @property
+    def next_free_network(self):
+        free_net = self.vpnnetworkreservation_set.objects.filter(vpnpool=self,
+                                                                 status='free')
+
+        last_net = self.vpnnetworkreservation_set.objects.filter(vpnpool=self,
+                                                                 status='used')
+
+        if num_free_networks == 0:
+            raise Exception("No free networks")
+
+        if len(free_net) > 0:
+            return free_net[0].address
+
+        if len(used_net) > 0:
+            """
+            sample:
+
+            pool = 2a0a:e5c1:200::/40
+            last_used = 2a0a:e5c1:204::/48
+
+            next:
+            """
+
+            last_ip = last_net.address
+#            next_ip =
+
+
+
+
+
+class VPNNetworkReservation(UncloudModel):
+    """
+     This class tracks the used VPN networks. It will be deleted, when the product is cancelled.
+     """
+    vpnpool = models.ForeignKey(VPNPool,
+                                 on_delete=models.CASCADE)
+    address = models.GenericIPAddressField(primary_key=True)
+
+    status = models.CharField(max_length=256,
+                              choices = (
+                                  ('used', 'used'),
+                                  ('free', 'free')
+                              )
+    )
+
+
+class VPNNetwork(Product):
+    """
+    A selected network. Used for tracking reservations / used networks
+    """
+    network = models.ForeignKey(VPNNetworkReservation,
+                               on_delete=models.CASCADE,
+                               editable=False)
+
+    wireguard_public_key = models.CharField(max_length=48)

uncloud_django_based/uncloud/uncloud_net/serializers.py

@@ -0,0 +1,75 @@
+import base64
+
+from django.contrib.auth import get_user_model
+from django.utils.translation import gettext_lazy as _
+from rest_framework import serializers
+
+from .models import *
+
+class VPNPoolSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = VPNPool
+        fields = '__all__'
+
+class VPNNetworkSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = VPNNetwork
+        fields = '__all__'
+
+    # This is required for finding the VPN pool, but does not
+    # exist in the model
+    network_size = serializers.IntegerField(min_value=0,
+                                            max_value=128)
+
+    def validate_wireguard_public_key(self, value):
+        msg = _("Supplied key is not a valid wireguard public key")
+
+        """ FIXME: verify that this does not create broken wireguard config files,
+        i.e. contains \n or similar!
+        We might even need to be more strict to not break wireguard...
+        """
+        print(value)
+
+        try:
+            base64.standard_b64decode(value)
+        except Exception as e:
+            raise serializers.ValidationError(msg)
+
+        if '\n' in value:
+            raise serializers.ValidationError(msg)
+
+        return value
+
+    def validate(self, data):
+
+        # FIXME: filter for status = active or similar
+        all_pools = VPNPool.objects.all()
+        sizes = [ p.subnetwork_size for p in all_pools ]
+
+        pools = VPNPool.objects.filter(subnetwork_size=data['network_size'])
+
+        if len(pools) == 0:
+            msg = _("No pool available for networks with size = {}. Available are: {}".format(data['network_size'], sizes))
+            raise serializers.ValidationError(msg)
+
+        return data
+
+    def create(self, validated_data):
+        """
+        Creating a new vpnnetwork - there are a couple of race conditions,
+        especially when run in parallel.
+        """
+        pools = VPNPool.objects.filter(subnetwork_size=data['network_size'])
+
+        found_pool = False
+        for pool in pools:
+            if pool.num_free_networks > 0:
+                found_pool = True
+#                address = pool.
+#                reservation = VPNNetworkReservation(vpnpool=pool,
+
+
+        pool = VPNPool.objects.first(subnetwork_size=data['network_size'])
+
+
+        return VPNNetwork(**validated_data)

uncloud_django_based/uncloud/uncloud_net/views.py

@@ -0,0 +1,27 @@
+
+from django.shortcuts import render
+
+from rest_framework import viewsets, permissions
+
+
+from .models      import *
+from .serializers import *
+
+
+class VPNPoolViewSet(viewsets.ModelViewSet):
+    serializer_class = VPNPoolSerializer
+    permission_classes = [permissions.IsAdminUser]
+    queryset = VPNPool.objects.all()
+
+
+class VPNNetworkViewSet(viewsets.ModelViewSet):
+    serializer_class = VPNNetworkSerializer
+    permission_classes = [permissions.IsAdminUser]
+
+    def get_queryset(self):
+        if self.request.user.is_superuser:
+            obj = VPNNetwork.objects.all()
+        else:
+            obj = VPNNetwork.objects.filter(owner=self.request.user)
+
+        return obj

uncloud_django_based/uncloud/uncloud_pay/helpers.py

@@ -16,9 +16,9 @@ def end_of_month(year, month):
             hour=23, minute=59, second=59, tzinfo=tz)
 
 class ProductViewSet(mixins.CreateModelMixin,
-                   mixins.RetrieveModelMixin,
+                     mixins.RetrieveModelMixin,
-                   mixins.ListModelMixin,
+                     mixins.ListModelMixin,
-                   GenericViewSet):
+                     GenericViewSet):
     """
     A customer-facing viewset that provides default `create()`, `retrieve()`
     and `list()`.